202442420442 has 16 divisors (see below), whose sum is σ = 405150706080. Its totient is φ = 67436495952.

The previous prime is 202442420417. The next prime is 202442420471. The reversal of 202442420442 is 244024244202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11067817 + ... + 11086092.

It is an arithmetic number, because the mean of its divisors is an integer number (25321919130).

Almost surely, 2^202442420442 is an apocalyptic number.

202442420442 is an abundant number, since it is smaller than the sum of its proper divisors (202708285638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202442420442 is a wasteful number, since it uses less digits than its factorization.

202442420442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22155437.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 202442420442 its reverse (244024244202), we get a palindrome (446466664644).

The spelling of 202442420442 in words is "two hundred two billion, four hundred forty-two million, four hundred twenty thousand, four hundred forty-two".